byBritish Museum (Natural History). Department of Zoology. [Birds]; Ogilvie-Grant, W. R. (William Robert), 1863-1924; Sharpe, Richard Bowdler, 1847-1909
byBritish Museum (Natural History). Department of Zoology. [Birds]; Ogilvie-Grant, W. R. (William Robert), 1863-1924; Reid, Philip Savile Grey, 1845-1915; Oates, Eugene William, 1845-1911
byBritish Museum (Natural History). Department of Zoology. [Birds]; Ogilvie-Grant, W. R. (William Robert), 1863-1924; Reid, Philip Savile Grey, 1845-1915; Oates, Eugene William, 1845-1911
byBritish Museum (Natural History). Department of Zoology. [Birds]; Ogilvie-Grant, W. R. (William Robert), 1863-1924; Reid, Philip Savile Grey, 1845-1915; Oates, Eugene William, 1845-1911
byBritish Museum (Natural History). Department of Zoology. [Birds]; Ogilvie-Grant, W. R. (William Robert), 1863-1924; Reid, Philip Savile Grey, 1845-1915; Oates, Eugene William, 1845-1911
byBritish Museum (Natural History). Department of Zoology. [Birds]; Ogilvie-Grant, W. R. (William Robert), 1863-1924; Reid, Philip Savile Grey, 1845-1915; Oates, Eugene William, 1845-1911